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330 lines
12 KiB
330 lines
12 KiB
/* Message catalogs for internationalization. |
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Copyright (C) 1995-1997, 2000-2003 Free Software Foundation, Inc. |
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This program is free software; you can redistribute it and/or modify it |
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under the terms of the GNU Library General Public License as published |
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by the Free Software Foundation; either version 2, or (at your option) |
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any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Library General Public License for more details. |
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You should have received a copy of the GNU Library General Public |
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License along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, |
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USA. */ |
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#ifndef _LIBINTL_H |
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#define _LIBINTL_H 1 |
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#include <locale.h> |
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/* The LC_MESSAGES locale category is the category used by the functions |
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gettext() and dgettext(). It is specified in POSIX, but not in ANSI C. |
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On systems that don't define it, use an arbitrary value instead. |
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On Solaris, <locale.h> defines __LOCALE_H (or _LOCALE_H in Solaris 2.5) |
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then includes <libintl.h> (i.e. this file!) and then only defines |
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LC_MESSAGES. To avoid a redefinition warning, don't define LC_MESSAGES |
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in this case. */ |
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#if !defined LC_MESSAGES && !(defined __LOCALE_H || (defined _LOCALE_H && defined __sun)) |
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# define LC_MESSAGES 1729 |
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#endif |
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/* We define an additional symbol to signal that we use the GNU |
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implementation of gettext. */ |
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#define __USE_GNU_GETTEXT 1 |
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/* Provide information about the supported file formats. Returns the |
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maximum minor revision number supported for a given major revision. */ |
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#define __GNU_GETTEXT_SUPPORTED_REVISION(major) \ |
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((major) == 0 ? 1 : -1) |
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/* Resolve a platform specific conflict on DJGPP. GNU gettext takes |
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precedence over _conio_gettext. */ |
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#ifdef __DJGPP__ |
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# undef gettext |
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#endif |
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/* Use _INTL_PARAMS, not PARAMS, in order to avoid clashes with identifiers |
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used by programs. Similarly, test __PROTOTYPES, not PROTOTYPES. */ |
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#ifndef _INTL_PARAMS |
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# if __STDC__ || defined __GNUC__ || defined __SUNPRO_C || defined __cplusplus || __PROTOTYPES |
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# define _INTL_PARAMS(args) args |
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# else |
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# define _INTL_PARAMS(args) () |
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# endif |
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#endif |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* We redirect the functions to those prefixed with "libintl_". This is |
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necessary, because some systems define gettext/textdomain/... in the C |
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library (namely, Solaris 2.4 and newer, and GNU libc 2.0 and newer). |
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If we used the unprefixed names, there would be cases where the |
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definition in the C library would override the one in the libintl.so |
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shared library. Recall that on ELF systems, the symbols are looked |
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up in the following order: |
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1. in the executable, |
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2. in the shared libraries specified on the link command line, in order, |
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3. in the dependencies of the shared libraries specified on the link |
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command line, |
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4. in the dlopen()ed shared libraries, in the order in which they were |
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dlopen()ed. |
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The definition in the C library would override the one in libintl.so if |
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either |
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* -lc is given on the link command line and -lintl isn't, or |
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* -lc is given on the link command line before -lintl, or |
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* libintl.so is a dependency of a dlopen()ed shared library but not |
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linked to the executable at link time. |
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Since Solaris gettext() behaves differently than GNU gettext(), this |
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would be unacceptable. |
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The redirection happens by default through macros in C, so that &gettext |
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is independent of the compilation unit, but through inline functions in |
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C++, in order not to interfere with the name mangling of class fields or |
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class methods called 'gettext'. */ |
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/* The user can define _INTL_REDIRECT_INLINE or _INTL_REDIRECT_MACROS. |
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If he doesn't, we choose the method. A third possible method is |
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_INTL_REDIRECT_ASM, supported only by GCC. */ |
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#if !(defined _INTL_REDIRECT_INLINE || defined _INTL_REDIRECT_MACROS) |
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# if __GNUC__ >= 2 && !defined __APPLE_CC__ && (defined __STDC__ || defined __cplusplus) |
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# define _INTL_REDIRECT_ASM |
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# else |
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# ifdef __cplusplus |
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# define _INTL_REDIRECT_INLINE |
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# else |
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# define _INTL_REDIRECT_MACROS |
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# endif |
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# endif |
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#endif |
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/* Auxiliary macros. */ |
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#ifdef _INTL_REDIRECT_ASM |
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# define _INTL_ASM(cname) __asm__ (_INTL_ASMNAME (__USER_LABEL_PREFIX__, #cname)) |
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# define _INTL_ASMNAME(prefix,cnamestring) _INTL_STRINGIFY (prefix) cnamestring |
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# define _INTL_STRINGIFY(prefix) #prefix |
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#else |
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# define _INTL_ASM(cname) |
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#endif |
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/* _INTL_MAY_RETURN_STRING_ARG(n) declares that the given function may return |
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its n-th argument literally. This enables GCC to warn for example about |
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printf (gettext ("foo %y")). */ |
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#if __GNUC__ >= 3 && !(__APPLE_CC__ > 1 && defined __cplusplus) |
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# define _INTL_MAY_RETURN_STRING_ARG(n) __attribute__ ((__format_arg__ (n))) |
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#else |
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# define _INTL_MAY_RETURN_STRING_ARG(n) |
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#endif |
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/* Look up MSGID in the current default message catalog for the current |
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LC_MESSAGES locale. If not found, returns MSGID itself (the default |
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text). */ |
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#ifdef _INTL_REDIRECT_INLINE |
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extern char *libintl_gettext (const char *__msgid) |
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_INTL_MAY_RETURN_STRING_ARG (1); |
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static inline char *gettext (const char *__msgid) |
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{ |
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return libintl_gettext (__msgid); |
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} |
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#else |
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#ifdef _INTL_REDIRECT_MACROS |
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# define gettext libintl_gettext |
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#endif |
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extern char *gettext _INTL_PARAMS ((const char *__msgid)) |
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_INTL_ASM (libintl_gettext) |
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_INTL_MAY_RETURN_STRING_ARG (1); |
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#endif |
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/* Look up MSGID in the DOMAINNAME message catalog for the current |
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LC_MESSAGES locale. */ |
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#ifdef _INTL_REDIRECT_INLINE |
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extern char *libintl_dgettext (const char *__domainname, const char *__msgid) |
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_INTL_MAY_RETURN_STRING_ARG (2); |
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static inline char *dgettext (const char *__domainname, const char *__msgid) |
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{ |
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return libintl_dgettext (__domainname, __msgid); |
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} |
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#else |
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#ifdef _INTL_REDIRECT_MACROS |
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# define dgettext libintl_dgettext |
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#endif |
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extern char *dgettext _INTL_PARAMS ((const char *__domainname, |
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const char *__msgid)) |
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_INTL_ASM (libintl_dgettext) |
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_INTL_MAY_RETURN_STRING_ARG (2); |
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#endif |
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/* Look up MSGID in the DOMAINNAME message catalog for the current CATEGORY |
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locale. */ |
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#ifdef _INTL_REDIRECT_INLINE |
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extern char *libintl_dcgettext (const char *__domainname, const char *__msgid, |
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int __category) |
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_INTL_MAY_RETURN_STRING_ARG (2); |
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static inline char *dcgettext (const char *__domainname, const char *__msgid, |
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int __category) |
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{ |
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return libintl_dcgettext (__domainname, __msgid, __category); |
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} |
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#else |
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#ifdef _INTL_REDIRECT_MACROS |
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# define dcgettext libintl_dcgettext |
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#endif |
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extern char *dcgettext _INTL_PARAMS ((const char *__domainname, |
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const char *__msgid, |
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int __category)) |
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_INTL_ASM (libintl_dcgettext) |
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_INTL_MAY_RETURN_STRING_ARG (2); |
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#endif |
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/* Similar to `gettext' but select the plural form corresponding to the |
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number N. */ |
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#ifdef _INTL_REDIRECT_INLINE |
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extern char *libintl_ngettext (const char *__msgid1, const char *__msgid2, |
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unsigned long int __n) |
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_INTL_MAY_RETURN_STRING_ARG (1) _INTL_MAY_RETURN_STRING_ARG (2); |
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static inline char *ngettext (const char *__msgid1, const char *__msgid2, |
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unsigned long int __n) |
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{ |
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return libintl_ngettext (__msgid1, __msgid2, __n); |
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} |
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#else |
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#ifdef _INTL_REDIRECT_MACROS |
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# define ngettext libintl_ngettext |
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#endif |
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extern char *ngettext _INTL_PARAMS ((const char *__msgid1, |
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const char *__msgid2, |
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unsigned long int __n)) |
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_INTL_ASM (libintl_ngettext) |
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_INTL_MAY_RETURN_STRING_ARG (1) _INTL_MAY_RETURN_STRING_ARG (2); |
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#endif |
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/* Similar to `dgettext' but select the plural form corresponding to the |
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number N. */ |
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#ifdef _INTL_REDIRECT_INLINE |
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extern char *libintl_dngettext (const char *__domainname, const char *__msgid1, |
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const char *__msgid2, unsigned long int __n) |
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_INTL_MAY_RETURN_STRING_ARG (2) _INTL_MAY_RETURN_STRING_ARG (3); |
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static inline char *dngettext (const char *__domainname, const char *__msgid1, |
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const char *__msgid2, unsigned long int __n) |
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{ |
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return libintl_dngettext (__domainname, __msgid1, __msgid2, __n); |
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} |
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#else |
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#ifdef _INTL_REDIRECT_MACROS |
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# define dngettext libintl_dngettext |
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#endif |
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extern char *dngettext _INTL_PARAMS ((const char *__domainname, |
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const char *__msgid1, |
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const char *__msgid2, |
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unsigned long int __n)) |
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_INTL_ASM (libintl_dngettext) |
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_INTL_MAY_RETURN_STRING_ARG (2) _INTL_MAY_RETURN_STRING_ARG (3); |
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#endif |
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/* Similar to `dcgettext' but select the plural form corresponding to the |
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number N. */ |
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#ifdef _INTL_REDIRECT_INLINE |
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extern char *libintl_dcngettext (const char *__domainname, |
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const char *__msgid1, const char *__msgid2, |
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unsigned long int __n, int __category) |
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_INTL_MAY_RETURN_STRING_ARG (2) _INTL_MAY_RETURN_STRING_ARG (3); |
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static inline char *dcngettext (const char *__domainname, |
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const char *__msgid1, const char *__msgid2, |
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unsigned long int __n, int __category) |
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{ |
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return libintl_dcngettext (__domainname, __msgid1, __msgid2, __n, __category); |
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} |
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#else |
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#ifdef _INTL_REDIRECT_MACROS |
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# define dcngettext libintl_dcngettext |
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#endif |
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extern char *dcngettext _INTL_PARAMS ((const char *__domainname, |
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const char *__msgid1, |
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const char *__msgid2, |
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unsigned long int __n, |
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int __category)) |
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_INTL_ASM (libintl_dcngettext) |
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_INTL_MAY_RETURN_STRING_ARG (2) _INTL_MAY_RETURN_STRING_ARG (3); |
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#endif |
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/* Set the current default message catalog to DOMAINNAME. |
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If DOMAINNAME is null, return the current default. |
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If DOMAINNAME is "", reset to the default of "messages". */ |
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#ifdef _INTL_REDIRECT_INLINE |
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extern char *libintl_textdomain (const char *__domainname); |
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static inline char *textdomain (const char *__domainname) |
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{ |
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return libintl_textdomain (__domainname); |
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} |
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#else |
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#ifdef _INTL_REDIRECT_MACROS |
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# define textdomain libintl_textdomain |
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#endif |
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extern char *textdomain _INTL_PARAMS ((const char *__domainname)) |
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_INTL_ASM (libintl_textdomain); |
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#endif |
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/* Specify that the DOMAINNAME message catalog will be found |
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in DIRNAME rather than in the system locale data base. */ |
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#ifdef _INTL_REDIRECT_INLINE |
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extern char *libintl_bindtextdomain (const char *__domainname, |
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const char *__dirname); |
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static inline char *bindtextdomain (const char *__domainname, |
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const char *__dirname) |
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{ |
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return libintl_bindtextdomain (__domainname, __dirname); |
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} |
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#else |
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#ifdef _INTL_REDIRECT_MACROS |
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# define bindtextdomain libintl_bindtextdomain |
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#endif |
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extern char *bindtextdomain _INTL_PARAMS ((const char *__domainname, |
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const char *__dirname)) |
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_INTL_ASM (libintl_bindtextdomain); |
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#endif |
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/* Specify the character encoding in which the messages from the |
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DOMAINNAME message catalog will be returned. */ |
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#ifdef _INTL_REDIRECT_INLINE |
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extern char *libintl_bind_textdomain_codeset (const char *__domainname, |
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const char *__codeset); |
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static inline char *bind_textdomain_codeset (const char *__domainname, |
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const char *__codeset) |
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{ |
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return libintl_bind_textdomain_codeset (__domainname, __codeset); |
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} |
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#else |
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#ifdef _INTL_REDIRECT_MACROS |
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# define bind_textdomain_codeset libintl_bind_textdomain_codeset |
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#endif |
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extern char *bind_textdomain_codeset _INTL_PARAMS ((const char *__domainname, |
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const char *__codeset)) |
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_INTL_ASM (libintl_bind_textdomain_codeset); |
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#endif |
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/* Support for relocatable packages. */ |
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/* Sets the original and the current installation prefix of the package. |
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Relocation simply replaces a pathname starting with the original prefix |
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by the corresponding pathname with the current prefix instead. Both |
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prefixes should be directory names without trailing slash (i.e. use "" |
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instead of "/"). */ |
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#define libintl_set_relocation_prefix libintl_set_relocation_prefix |
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extern void |
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libintl_set_relocation_prefix _INTL_PARAMS ((const char *orig_prefix, |
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const char *curr_prefix)); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* libintl.h */
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